<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>CSS HTC</title>
</head>
<style type="text/css">
	div{
     	width: 100px;
     	height: 100px;
     	border-radius: 10px;
     	border:1px solid red;
     	box-shadow: 5px 5px 0px blue;
     	/* 使用behavior引入即可 */
     	behavior:url(./pieHtc/PIE.htc);
     }
</style>
<body>
	<div>
		
	</div>
</body>
</html>